1 files changed, 174 insertions, 0 deletions

diff --git a/drivers/media/platform/omap3isp/isppreview.h b/drivers/media/platform/omap3isp/isppreview.h
new file mode 100644
index 000000000000..f66923407f8c
--- /dev/null
+++ b/drivers/media/platform/omap3isp/isppreview.h
@@ -0,0 +1,174 @@
+/*
+ * isppreview.h
+ *
+ * TI OMAP3 ISP - Preview module
+ *
+ * Copyright (C) 2010 Nokia Corporation
+ * Copyright (C) 2009 Texas Instruments, Inc.
+ *
+ * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+ *           Sakari Ailus <sakari.ailus@iki.fi>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#ifndef OMAP3_ISP_PREVIEW_H
+#define OMAP3_ISP_PREVIEW_H
+
+#include <linux/omap3isp.h>
+#include <linux/types.h>
+#include <media/v4l2-ctrls.h>
+
+#include "ispvideo.h"
+
+#define ISPPRV_BRIGHT_STEP              0x1
+#define ISPPRV_BRIGHT_DEF               0x0
+#define ISPPRV_BRIGHT_LOW               0x0
+#define ISPPRV_BRIGHT_HIGH              0xFF
+#define ISPPRV_BRIGHT_UNITS             0x1
+
+#define ISPPRV_CONTRAST_STEP            0x1
+#define ISPPRV_CONTRAST_DEF             0x10
+#define ISPPRV_CONTRAST_LOW             0x0
+#define ISPPRV_CONTRAST_HIGH            0xFF
+#define ISPPRV_CONTRAST_UNITS           0x1
+
+/* Additional features not listed in linux/omap3isp.h */
+#define OMAP3ISP_PREV_CONTRAST          (1 << 17)
+#define OMAP3ISP_PREV_BRIGHTNESS        (1 << 18)
+#define OMAP3ISP_PREV_FEATURES_END      (1 << 19)
+
+enum preview_input_entity {
+        PREVIEW_INPUT_NONE,
+        PREVIEW_INPUT_CCDC,
+        PREVIEW_INPUT_MEMORY,
+};
+
+#define PREVIEW_OUTPUT_RESIZER          (1 << 1)
+#define PREVIEW_OUTPUT_MEMORY           (1 << 2)
+
+/* Configure byte layout of YUV image */
+enum preview_ycpos_mode {
+        YCPOS_YCrYCb = 0,
+        YCPOS_YCbYCr = 1,
+        YCPOS_CbYCrY = 2,
+        YCPOS_CrYCbY = 3
+};
+
+/*
+ * struct prev_params - Structure for all configuration
+ * @busy: Bitmask of busy parameters (being updated or used)
+ * @update: Bitmask of the parameters to be updated
+ * @features: Set of features enabled.
+ * @cfa: CFA coefficients.
+ * @csup: Chroma suppression coefficients.
+ * @luma: Luma enhancement coefficients.
+ * @nf: Noise filter coefficients.
+ * @dcor: Noise filter coefficients.
+ * @gamma: Gamma coefficients.
+ * @wbal: White Balance parameters.
+ * @blkadj: Black adjustment parameters.
+ * @rgb2rgb: RGB blending parameters.
+ * @csc: Color space conversion (RGB to YCbCr) parameters.
+ * @hmed: Horizontal median filter.
+ * @yclimit: YC limits parameters.
+ * @contrast: Contrast.
+ * @brightness: Brightness.
+ */
+struct prev_params {
+        u32 busy;
+        u32 update;
+        u32 features;
+        struct omap3isp_prev_cfa cfa;
+        struct omap3isp_prev_csup csup;
+        struct omap3isp_prev_luma luma;
+        struct omap3isp_prev_nf nf;
+        struct omap3isp_prev_dcor dcor;
+        struct omap3isp_prev_gtables gamma;
+        struct omap3isp_prev_wbal wbal;
+        struct omap3isp_prev_blkadj blkadj;
+        struct omap3isp_prev_rgbtorgb rgb2rgb;
+        struct omap3isp_prev_csc csc;
+        struct omap3isp_prev_hmed hmed;
+        struct omap3isp_prev_yclimit yclimit;
+        u8 contrast;
+        u8 brightness;
+};
+
+/* Sink and source previewer pads */
+#define PREV_PAD_SINK                   0
+#define PREV_PAD_SOURCE                 1
+#define PREV_PADS_NUM                   2
+
+/*
+ * struct isp_prev_device - Structure for storing ISP Preview module information
+ * @subdev: V4L2 subdevice
+ * @pads: Media entity pads
+ * @formats: Active formats at the subdev pad
+ * @crop: Active crop rectangle
+ * @input: Module currently connected to the input pad
+ * @output: Bitmask of the active output
+ * @video_in: Input video entity
+ * @video_out: Output video entity
+ * @params.params : Active and shadow parameters sets
+ * @params.active: Bitmask of parameters active in set 0
+ * @params.lock: Parameters lock, protects params.active and params.shadow
+ * @underrun: Whether the preview entity has queued buffers on the output
+ * @state: Current preview pipeline state
+ *
+ * This structure is used to store the OMAP ISP Preview module Information.
+ */
+struct isp_prev_device {
+        struct v4l2_subdev subdev;
+        struct media_pad pads[PREV_PADS_NUM];
+        struct v4l2_mbus_framefmt formats[PREV_PADS_NUM];
+        struct v4l2_rect crop;
+
+        struct v4l2_ctrl_handler ctrls;
+
+        enum preview_input_entity input;
+        unsigned int output;
+        struct isp_video video_in;
+        struct isp_video video_out;
+
+        struct {
+                unsigned int cfa_order;
+                struct prev_params params[2];
+                u32 active;
+                spinlock_t lock;
+        } params;
+
+        enum isp_pipeline_stream_state state;
+        wait_queue_head_t wait;
+        atomic_t stopping;
+};
+
+struct isp_device;
+
+int omap3isp_preview_init(struct isp_device *isp);
+void omap3isp_preview_cleanup(struct isp_device *isp);
+
+int omap3isp_preview_register_entities(struct isp_prev_device *prv,
+                                       struct v4l2_device *vdev);
+void omap3isp_preview_unregister_entities(struct isp_prev_device *prv);
+
+void omap3isp_preview_isr_frame_sync(struct isp_prev_device *prev);
+void omap3isp_preview_isr(struct isp_prev_device *prev);
+
+int omap3isp_preview_busy(struct isp_prev_device *isp_prev);
+
+void omap3isp_preview_restore_context(struct isp_device *isp);
+
+#endif  /* OMAP3_ISP_PREVIEW_H */